79

Lesson 79 of 84 ยท Light Optics

Experimentโญ 30 XPโšก Spark Lab

Bacteria and Viruses (Part 2)

๐ŸงชLab Brief #79

Light Optics.

๐ŸŽฏ Your mission

Run the experiment. Find out what really happens.

โšก The twist

Speed isn't the same as force. Don't mix them up.

๐Ÿคฏ

Mind = Blown

โšก Static electricity is the same physics as lightning, just smaller.

๐Ÿ”ฎ

Make a hypothesis first

Guess: where does the energy go?

What You'll Learn

Bacteria are tiny single-celled organisms that live almost everywhere, and while some cause disease, many are helpful, like those that break down food in our intestines. Viruses are even smaller and can only reproduce by invading the living cells of another organism.

Key Words

Tap a word to see its definition.

Materials Needed

  • cotton balls
  • zip-lock bags
  • labels
  • seeds

Safety First

  • Dispose of materials properly after the experiment.
  • Handle glass items carefully to avoid breakage.
  • Do not mix unknown chemicals together.

Steps

Step 1 โ€” Read

Read the introduction and identify the main idea of this lesson.

Step 2 โ€” Do

Compare the skeletal structures of a bird wing, human arm, and whale flipper using diagrams. Identify homologous bones and write what this tells us about common ancestry.

Step 3 โ€” Observe

Use your senses (except taste) to describe what you notice.

Step 4 โ€” Record

Write a summary of your findings in 3-5 sentences.

Check Your Understanding

Question 1

1 of 3

Which animals go through metamorphosis?

๐ŸŒ

Where you see this in real life

This is why airplanes can fly and why rockets reach space.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

This week, find one thing in your house that turns one kind of energy into another.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œShow me something at home that uses this kind of energy.โ€

๐ŸŽฏ

Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

๐ŸŒก๏ธShare card

Share this experiment

Send it to a parent who's looking for a 10-minute kitchen science win.

๐Ÿ–จ๏ธ

Checkout complete lesson on Light Optics for 9th Grade

Get the full Light Optics track as a printable PDF โ€” all lessons, worksheets, and answer keys.

View in Shop

Your Cart (0)

Your cart is empty

Browse our shop to find activities your kids will love

Bacteria and Viruses (Part 2) โ€” Light Optics | 9th Grade Science | LittleActivity | LittleActivity